6810000 litres d'eau par seconde. Etude stéréophonique

First edition, one of the review copies service.
Back slightly wrinkled, clear discharges of adhesive paper in heads and feet of the guards, pleasant interior state.
Press clipping and invitation card for the performance, at the comedy of the Grenoble Alps on February 13, 1968, of 6180000 liters of water per second.
Autograph dedication dated and signed by Michel Butor to his friend Georges Raillard enriched with a watercolor representing, surreally, the course of a river.